Dating profile tricks

Ok Cupid, launched in 2004, is one of the most popular free online dating service in the United States.

Midsummer's Eve is the UK's first and oldest free dating site.

If you're an online dater, then you've probably seen some miserable Ok Cupid profiles: cellphone pictures taken in the mirror; messages begging you to eat lobster naked with a stranger; the occasional stalker.

Still, online dating has become an explosive business.

Dimly lit bars, loud dance floors and awkward introductions—yikes!

So people have turned to online dating, especially when they have a very specific quality or type they're looking for.